Trick-or-Treatment: Mysteries of the Laguna Treatment Plant
When: Saturday, October 17, 2026 at 10:00 AM PT
Where: Laguna Treatment Plant, 4300 Llano Road, Santa Rosa, CA
This Halloween, Santa Rosa Water is opening the doors (creaky noise) to the Laguna Treatment Plant for Trick-or-Treatment: Mysteries of the Laguna Treatment Plant, a free and spooky open house where the community can get a behind-the-scenes look at how wastewater is treated and learn more about the people, science and equipment that help keep our community healthy and our waterways clean and protected.